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MATHEW THERON SOUTHWICK P.A.-C.
NPI 1346798204
Physician Assistant in Farmington, NM

Active since September 20, 2016PECOS EnrolledAccepts Medicare Assignment
89.17/100
CMS Quality Rating
2300 E 30TH ST BLDG D-101, FARMINGTON, NM 87401(505) 208-6280(505) 564-3202 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2026, Sep 20, 2016 (2 updates tracked since 2016).

About Mathew Theron Southwick P.a.-c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATHEW THERON SOUTHWICK P.A.-C. (NPI 1346798204) is an individual physician assistant in Farmington, New Mexico and active in the NPI registry since September 2016. He is enrolled in Medicare PECOS, is affiliated with San Juan Regional Medical Center Inc, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1346798204
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMATHEW THERON SOUTHWICKCredential: P.A.-C.
Location Address2300 E 30TH ST BLDG D-101Farmington, NM 87401-8991
Mailing AddressPo Box 844088Dallas, TX 75284-4088 · (505) 609-2258 · Fax (505) 609-2259
Phone(505) 208-6280
Fax(505) 564-3202
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 20, 2016
Last NPPES UpdateMay 19, 20262 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1346798204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X
2300 E 30TH ST BLDG D-101, Farmington, NM 87401
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Other Identifiers 1

Other1136642NM · Nccpa

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mathew Theron Southwick P.a.-c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931489366
PECOS Enrollment IDI20161201000173
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
78 services72 patients
Prosthetic repair of shoulder joint, total shoulder 23472
Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.
27 services27 patients
Repair of shoulder rotator cuff using an endoscope 29827
This procedure, known as arthroscopic rotator cuff repair, helps fix tears in the shoulder's rotator cuff. An endoscope, a small camera, is used to view the shoulder inside. Using small tools, the surgeon repairs the torn tissue. This minimally invasive approach often leads to a quicker recovery.
18 services18 patients
Shaving of part of shoulder bone and repair of ligament using an endoscope 29826
This procedure involves using a tiny camera, called an endoscope, to view and repair a damaged shoulder ligament. Simultaneously, a small portion of the shoulder bone is shaved to alleviate discomfort and improve movement. It's a minimally invasive technique that aids in a quicker recovery.
15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

San Juan Regional Medical Center Inc

Acute Care Hospitals · Farmington, NM
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320005
Location801 West Maple StreetFarmington, NM 87401 · San Juan County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 87401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.79 typical visit price
range $54.26 – $166.80
Typical copayment $21.19 (range $13.56 – $41.70)
Most-billed visit code 99203
Established Patient
$68.00 typical visit price
range $17.00 – $135.35
Typical copayment $17.00 (range $4.25 – $33.83)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.75
Promoting Interoperability100
Improvement Activities40
Cost82.36

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRYAN KENT BROADBENT DPM
Podiatrist (Foot Surgery)
2300 E 30TH ST BLDG D-101
FARMINGTON, NM 87401
San Juan County (505) 226-7893
SAN JUAN REGIONAL MEDICAL CENTER INC
Orthopaedic Surgery
2300 E 30TH ST BLDG D-101
FARMINGTON, NM 87401
San Juan County (505) 208-6280
CLIFFORD SCOTT GOLDTHORPE D.O.
Orthopaedic Surgery
2300 E 30TH ST BLDG D-101
FARMINGTON, NM 87401
San Juan County (505) 208-6280

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mathew Southwick's NPI number?

The NPI number for Mathew Southwick is 1346798204. It was assigned to this individual provider in the NPPES registry on September 20, 2016.

Where is Mathew Southwick located?

Mathew Southwick practices at 2300 E 30th St Bldg D-101, Farmington, NM 87401. The listed phone number is (505) 208-6280.

What is Mathew Southwick's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mathew Southwick enrolled in Medicare?

Yes. Mathew Southwick is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mathew Southwick affiliated with any hospitals?

According to CMS data, Mathew Southwick is affiliated with San Juan Regional Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Mathew Southwick was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.